import { type AuthorizerResponse, type BouncerAuthorizer } from './types.ts';
type AuthorizerToAbility<Authorizer> = Authorizer extends (user: infer User, ...args: infer Args) => AuthorizerResponse | Promise<AuthorizerResponse> ? {
    allowGuest: false;
    original: Authorizer;
    execute(user: User | null, ...args: Args): AuthorizerResponse | Promise<AuthorizerResponse>;
} : never;
/**
 * Helper to convert a user defined authorizer function to a bouncer ability.
 * The ability function wraps authorization logic and handles guest access control.
 *
 * @param options Configuration options for the ability
 * @param authorizer Authorization function to wrap
 *
 * @example
 * ```js
 * const editPost = ability((user, post) => {
 *   return user.id === post.authorId
 * })
 *
 * const viewPost = ability({ allowGuest: true }, (user, post) => {
 *   return post.isPublished || (user && user.id === post.authorId)
 * })
 * ```
 */
export declare function ability<Authorizer extends BouncerAuthorizer<any>>(options: {
    allowGuest: boolean;
}, authorizer: Authorizer): AuthorizerToAbility<Authorizer>;
export declare function ability<Authorizer extends BouncerAuthorizer<any>>(authorizer: Authorizer): AuthorizerToAbility<Authorizer>;
export {};